EP 0714927 B1 20020724 - Solventless method for making polyarylene ethers
Title (en)
Solventless method for making polyarylene ethers
Title (de)
Lösungsmittelfreies Verfahren für die Herstellung von Polyarylenethern
Title (fr)
Méthode sans solvent pour la production de poly(éthers d'arylène)
Publication
Application
Priority
- US 34774394 A 19941201
- US 52216595 A 19950915
Abstract (en)
[origin: EP0714927A1] A method for making polyarylene ethers comprises the step of melt polymerizing phenolic monomers in the presence of oxygen and oxidative coupling catalysts without employing environmentally unfriendly solvents.
IPC 1-7
IPC 8 full level
C08G 65/38 (2006.01); C08G 65/44 (2006.01)
CPC (source: EP US)
C08G 65/44 (2013.01 - EP US)
Designated contracting state (EPC)
DE IT NL
DOCDB simple family (publication)
EP 0714927 A1 19960605; EP 0714927 B1 20020724; CN 1071347 C 20010919; CN 1127765 A 19960731; DE 69527493 D1 20020829; DE 69527493 T2 20030313; JP H08253578 A 19961001; US 5693742 A 19971202
DOCDB simple family (application)
EP 95308093 A 19951113; CN 95119685 A 19951201; DE 69527493 T 19951113; JP 30538595 A 19951124; US 52216595 A 19950915